Home / 1,023,139,839.40-1,411,847,681.70-577,078,619.56

Finding the Fourth Proportional to 1,023,139,839.40, 1,411,847,681.70 and 577,078,619.56

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Solution

The fourth proportional to 1,023,139,839.40, 1,411,847,681.70 and 577,078,619.56 is: 796,320,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,139,839.40 : 1,411,847,681.70 = 577,078,619.56 : x
  2. Step 2: Convert to fraction form
    1,023,139,839.40/1,411,847,681.70 = 577,078,619.56/x
  3. Step 3: Cross multiply
    1,023,139,839.40x = 1,411,847,681.70 × 577,078,619.56
  4. Step 4: Simplify right side
    1,023,139,839.40x = 814,747,111,184,422,272
  5. Step 5: Solve for x
    x = 814,747,111,184,422,272/1,023,139,839.40
  6. Step 6: Final answer
    x = 796,320,385.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.